How much does a 0.20 - 0.49ct J SI2 lab grown round diamond cost?

As of April 2026, 0.20 - 0.49ct J SI2 lab grown round diamonds are available from $112 SGD to $259,485 SGD, with an average price of $4,359 SGD. There are currently 3,892 diamonds matching this specification available across retailers.

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0.20 - 0.49ct J SI2 Lab Grown Round

As of April 2026, there are 3,892 lab grown round diamonds with J color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from $112 SGD to $259,485 SGD, with an average of $4,359 SGD.

Last updated: April 2026

Available

3,892

Lowest Price

$112 SGD

Highest Price

$259,485 SGD

Average Price

$4,359 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

73.2%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$791/ct

10th Percentile

$443

Median

$791

90th Percentile

$1,855

Score Distribution

3.9K diamonds scored across 4 quality tiers

Excellent

307 (7.9%)

Very Good

1,648 (42.3%)

Good

1,172 (30.1%)

Average

765 (19.7%)

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1